The galvanic skin response or electrodermal activity (EDA) test measures ________
A) dilation or constriction of blood vessels in the skin
B) production of oil or sebum by the skin
C) stimulation of skin receptors
D) electrical conductance of the skin
Answer: D
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Which of the following is a function of the pigmented layer of the retina?
A) provide eye color B) house the photoreceptors C) secrete vitreous humor D) absorb light passing through the neural layer E) refract light onto the photoreceptors
The opposite side (used when describing lesions of the nervous system) is termed:
A) ipsilateral B) lateral C) contralateral D) oppolateral
Which of the following hormons is NOT correctly paired with its function?
a. GIP and stimulation of insulin release b. CCK and stimulating release of pancreatic enzymes c. secretin and stimulation of NaHCO3- d. gastrin and stimulation of ileal motility e. ghrelin and stimulation of the release of growth hormone from the posterior pituitary
What happens at the sodium-potassium exchange pump?
A) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 sodium ions for every 2 potassium ions entering the cell. B) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 sodium ions for every 3 potassium ions entering the cell. C) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 3 potassium ions for every 2 sodium ions entering the cell. D) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 2 potassium ions for every 3 sodium ions entering the cell. E) The sodium-potassium exchange pump maintains the resting membrane potential of the cell by ejecting 1 sodium ions for every 6 potassium ions entering the cell.